137129426

素因数分解:

$2^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{19949}}^1$

素因数の和:20449

約数の個数: 16

約数和(自身を含む): 235569600

約数和(自身を除く): 98440174

約数列:

[1, 2, 7, 14, 491, 982, 3437, 6874, 19949, 39898, 139643, 279286, 9794959, 19589918, 68564713, 137129426]

約数ペア:

[(1, 137129426), (2, 68564713), (7, 19589918), (14, 9794959), (491, 279286), (982, 139643), (3437, 39898), (6874, 19949)]